Text ( visual ) : unmediated Development in adolescence : approaches to the study of the individual / by Harold E. Jones ; assisted by the staff of the Adolescent Growth Study , Institute of Child Welfare, University of California. -- New York : Appleton-Century-Crofts , c1943. -- xvii, 166 p. : ill. ; 21 cm. -- (The Century psychology series). -- Includes index. -- (BA17269059) ; https://ci.nii.ac.jp/ncid/BA17269059 Author Heading(s): Jones, Harold E. ; University of California. Institute of Child Welfare. Staff of the Adolescent Growth Study